Samsung Galaxy S21 5G G991WVLS4AUIP
SM-G991W 2 countries Android 11

Samsung Galaxy S21 5G G991WVLS4AUIP Firmware

Samsung Galaxy S21 5G G991WVLS4AUIP is an Android 11 firmware for Canada (BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, RWC, SOL, TLS, VMC, VTR, XAC), SJR. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build G991WVLU4AUIB: security patch 2021-10-01 instead of 2021-09-01. A newer build for SM-G991W is available: G991WVLSJHZAA.

OS updates guaranteed until: Android 15Security updates until: Jan 26, 2026
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Android 11
OS Version
2021-10-19
Build Date
2021-10-01
Security patch
2
Countries
16
CSC codes
4
Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S21 5G use bootloader binary J (19) (latest: G991WVLSJHZAA). If your device already runs binary J (19), this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: G991WVLS4AUIP
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-G991W
    BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, RWC, SOL, TLS, VMC, VTR, XAC Canada
    SJR
    		G991WOYV4AUIP 2021-10-19 6.378 GiB
    SM-G991W_1_20210930110936_ispw2t5w64_fac.zip

    No matching downloads

    How to flash G991WVLS4AUIP

    • G991WVLS4AUIP has bootloader binary 4. Your device must run binary 4 or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    What's new in G991WVLS4AUIP

    · The security of your device has been improved.

    Rollout of G991WVLS4AUIP by region

    Samsung released this build in all regions (16) on the same day, October 19, 2021.

    Device specifications

    • Display diagonal15.8 cm (6.2")
    • Display resolution2400 x 1080 pixels
    • Display typeDynamic AMOLED 2X
    • RAM8 GB
    • Rear camera resolution12 MP
    • Rear camera typeTriple camera
    • Battery capacity4000 mAh
    • Weight171 g

    Specifications of SM-G991, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    G991WVLS4AUIP is Android 11 firmware for Samsung Galaxy S21 5G, released for Canada (BMC, BWA, CHR, ESK, FMC, GLW, KDO, PCM, PMB, RWC, SOL, TLS, VMC, VTR, XAC), SJR. It includes the 2021-10-01 security patch. Samsung built it on 2021-10-19.

    No. A newer build for SM-G991W is available: G991WVLSJHZAA. Install it instead of G991WVLS4AUIP unless you need this exact version. The previous build was G991WVLU4AUIB.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 6.378 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S21 5G must be on bootloader binary 4 or lower.

    This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy S21 5G running binary 4 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 6 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy S21 5G

    No changelog details available.
    Model firmware by region